$ git clone -n https://github.com/xcp-ng-rpms/python-linstor.git /var/lib/mock/v8.3-v-linstor-testing-9826-28527/root/chroot_tmpdir/scmroot/python-linstor
Cloning into '/var/lib/mock/v8.3-v-linstor-testing-9826-28527/root/chroot_tmpdir/scmroot/python-linstor'...
$ git fetch origin 7907d39b3d49e15debd8e7ee7daf304c89df7167:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/python-linstor
 * [new ref]         7907d39b3d49e15debd8e7ee7daf304c89df7167 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7907d39 Update to python-linstor-1.27.0